KR101868552B1 - Crashworthy Post, Sliding Rail Assembly therefor, and Method for Reducing Car Impact using such Crashworthy Post - Google Patents

Crashworthy Post, Sliding Rail Assembly therefor, and Method for Reducing Car Impact using such Crashworthy Post Download PDF

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Publication number
KR101868552B1
KR101868552B1 KR1020170151635A KR20170151635A KR101868552B1 KR 101868552 B1 KR101868552 B1 KR 101868552B1 KR 1020170151635 A KR1020170151635 A KR 1020170151635A KR 20170151635 A KR20170151635 A KR 20170151635A KR 101868552 B1 KR101868552 B1 KR 101868552B1
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KR
South Korea
Prior art keywords
eam
rail assembly
sliding
unit
sliding rail
Prior art date
Application number
KR1020170151635A
Other languages
Korean (ko)
Inventor
윤덕근
박재홍
성정곤
이석기
문재필
양충헌
고만기
김기동
한기장
노민형
Original Assignee
한국건설기술연구원
공주대학교 산학협력단
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Priority to KR1020170151635A priority Critical patent/KR101868552B1/en
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Publication of KR101868552B1 publication Critical patent/KR101868552B1/en

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/14Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • E01F15/141Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands for column or post protection
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/14Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • E01F15/145Means for vehicle stopping using impact energy absorbers
    • E01F15/148Means for vehicle stopping using impact energy absorbers mobile arrangements

Abstract

The present invention relates to a sliding rail assembly, a crashworthy post including the sliding rail assembly, and a method for reducing an impact during a car-post collision using the crashworthy post. According to the present invention, during an initial car collision, the speed of the colliding vehicle is reduced by means of the inertia of the post itself and then the vehicle is stopped by using the impact energy and kinetic energy absorbing capability of the impact energy absorbing member (EAM) of a base member. Accordingly, occupant safety can be ensured and functions and operation performance can be demonstrated. The impact energy absorbing member (EAM) can be installed in a replaceable manner, and thus the EAM unit can be separated and replaced after a vehicle collision. Accordingly, advantages are demonstrated in the form of structural stability, easy replacement and reuse, and optimal EAM installation.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a sliding rail assembly for a cushioning stance for reducing a vehicle impact, a cushioning support having the same,

The present invention relates to a crushworthy post which can reduce the collision energy generated when a vehicle is collided while securing the safety of the occupant, a sliding rail assembly , And a method for reducing the impact by using such a control rod. More particularly, the present invention relates to a member that allows the strut body to slide rearward with the vehicle when the vehicle collides with the vehicle, and includes a collision energy absorbing member A sliding rail assembly having an absorbing module (hereinafter abbreviated as "EAM" in the entire specification including the claims) in a replaceable form, a " , And "a method of reducing an impact at the time of collision of a vehicle support"

The main body of the vehicle is an insect strut that is installed on a road by a vertical column member such as an electric pole, an illuminator for installing a light, a road sign for installing a road sign, The speed of the collision vehicle is reduced by using the inertia of the collision vehicle, and then the vehicle is stopped by using the shock absorbing capability of the installed EAM embedded in the base member, thereby securing the safety of the occupant is developed by the inventor of the present invention Korean Patent Laid-Open Publication No. 10-2017-0077752 (Patent Application No. 10-2016-0006316).

Fig. 1 is a schematic perspective view of the staple apparatus disclosed in Korean Patent Laid-Open Publication No. 10-2017-0077752. As shown in the drawing, a conventional supporting body 1 has a base plate 10 integrally provided at a lower end thereof. The base plate 10 is placed on the upper surface of the supporting body 1, And the base member 2 is provided with a guide passage 3 extending in the backward direction and the EAM 4 is disposed in the guide passage 3 . However, when the EAM 4 is deformed or crushed by the impact of the vehicle, the EAM 4 (4) ) And the reuse of the insect pillars themselves are somewhat uncomfortable.

Korean Patent Publication No. 10-2017-0077752 (published Jul.

The present invention has been developed in order to overcome the inconvenience of the related art as described above, and it is an object of the present invention to provide a structure in which when the EAM is deformed or damaged, the EAM So that it can be easily and quickly restored to a state of being reusable.

In order to achieve the above object, according to the present invention, in a base member (2) composed of a concrete member (20) such that a lower end of a column main body (1) A sliding rail assembly (5) embedded in a floor, comprising: a bottom member (52); A sliding support member 50 extending in the longitudinal direction and arranged parallel to each other with two spaced apart from each other to support the base plate 10 provided at the lower end of the support body 1 so as to be slidable; And a pair of vertical support members (51) for supporting the respective sliding support members (50) so that the sliding support members (50) are positioned at a vertical interval from the bottom member (52); The EAM unit 40 provided with the EAM 4 absorbing the energy and being deformed by the collision is fitted in the guide passage by the lateral spacing between the vertical support members 51 so as to be interchangeable in the longitudinal direction , The upper part of the EAM unit 40 is covered with the sliding support member 50 in a state where the EAM unit 40 is inserted into the guide passage, so that the EAM unit 40 is not lifted up vertically; The base plate 10 is coupled in the form of wrapping both lateral sides of the sliding support member 50 in a state in which the sliding rail assembly 5 is embedded in the concrete member 20 of the base member 2, The striking member 11 protruding from the lower portion of the base plate 10 is moved to the EAM 4 (see FIG. 4) after the support body 1 and the base plate 10 are moved, The EAM unit 4 is broken and the collision energy absorption and dissipation operation due to the collision of the vehicle occurs. After the end of the vehicle collision, the EAM unit 40 is separated to replace the EAM 4, (40) is again inserted into the guide passage. The slide rail assembly for a companion bicycle frame is provided.

In the present invention, the above-mentioned sliding rail assembly is provided with a supporting member provided on a base member. Specifically, the supporting member includes a base member 2 and a support body 1 which is vertically installed and installed on the base member 2, A base plate 10 is provided at a lower end of the column main body 1 and a striking member 11 is projected downward from a lower surface of the base plate 10; The slide rail assembly 5 of the sliding rail assembly 5 is installed in the concrete member 20 so that the slide rail assembly 5 of the present invention is embedded in the slide rail assembly 5, 50 are positioned at regular intervals from the upper surface of the concrete member 20; A pair of engaging portions 12 are formed on both lateral sides of the base plate 10 so as to surround the lateral edges of the sliding supporting member 50 in a C shape. The sliding support member 50 of the assembly 5 is fitted and engaged from the front side of the base member 2 so that the support main body 1 is erected on the base member 2 and the striking member 11 is fixed to the sliding rail assembly Is positioned in the guide passage between the vertical support members (51) provided on the support (5); When the vehicle collides with the pillar main body 1, after the vehicle and the pillar main body 1 move backward and the deceleration of the primary vehicle speed is caused by the inertia of the pillar main body itself, The EAM 4 is deformed so that a secondary vehicle speed is decelerated through the absorption and dissipation of the collision energy due to the collision of the vehicle to stop the vehicle. do.

Further, in the present invention, a method for reducing the impact at the time of a vehicle striking collision using the abovementioned insect control pillars according to the present invention is provided.

In the sliding rail assembly according to the present invention, the damper strut having the same, and the impact reducing method at the time of collision with the vehicle striker, the EAM unit 40 has a vertically elongated cross- The EAM unit 40 may include a pair of EAM fixing members 41 and an EAM 4 interchangeably disposed between the pair of EAM fixing members 41. In this case, The EAM 4 provided in the EAM fixing member 41 is composed of a plate member extending in the longitudinal direction and the transversely opposite ends of the EAM fixing member 41 are positioned in the U- The tubular member extending in the transverse direction may have a configuration in which both lateral ends of the tubular member extend in the U-shaped concave portion of the EAM fixing member 41 In the longitudinal direction It may have a configuration in which one batch.

The upper end of the vertical support member 51 is integrally coupled with the lower surface of the sliding support member 50, and the lower end of the vertical support member 51 is integrally coupled to the lower surface of the sliding support member 50. Further, The lateral spacing between the vertical support members 51 is larger than the lateral spacing between the sliding support members 50 so that the EAM unit 40 is inserted in the guide passage in the lateral direction of the EAM unit 40 The EAM unit 40 can be extended from the front end of the sliding rail assembly 5 to the rear of the EAM unit 40 with the vertical support member 51 The width of the EAM unit 40 can be inserted in the widthwise direction between the sliding support members 50 at the front of the sliding rail assembly 5, , The EAM unit 4 0 may be lowered in the vertical direction and positioned in the lateral gap between the vertical support members 51 through the wider portion, and then pushed rearward and inserted into the guide passage.

According to the present invention, at the initial stage of the vehicle collision, after reducing the speed of the collided vehicle by using the inertia of the support itself, the collision energy and the kinetic energy absorbing capability of the collision energy absorbing member (EAM) It provides the basic functions of inspecting and maintaining the safety of the passengers by stopping. It also shows the following structural stability, easy replacement and reusability, and optimum EAM installation.

Specifically, in the present invention, the base plate provided on the support body is configured to move while surrounding a sliding support member functioning as a sliding rail. It is possible to smoothly move the support main body backward at the time of a vehicle collision and to exhibit a strong pulling resistance against a force to conduct the support main body such as a wind load to exhibit excellent structural stability.

Particularly, in the present invention, since the EAM unit equipped with the EAM to absorb the vehicle collision energy can be assembled or separated very easily, it is possible to remove the EAM unit after a vehicle collision and replace the damaged EAM with a new one . That is, in the present invention, a damaged EAM can be replaced and used easily and quickly. Therefore, according to the present invention, even after the occurrence of a vehicle collision, it is possible to quickly restore the bumpy stance to a state where it can be easily and quickly reused, and thus it is possible to maintain a safe road environment continuously.

Further, in the present invention, when the EAM unit is assembled and manufactured, the shape, thickness, material, number of laminations, and the like of the EAM can be selected and used in accordance with various types of vehicle collision conditions. The optimum EAM installation can be achieved in accordance with various vehicle collision conditions.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic perspective view of a conventional stapler. FIG.
2 is a schematic assembled perspective view of a stapler according to a first embodiment of the present invention.
3 is a schematic perspective view of a sliding rail assembly according to a first embodiment of the present invention.
4 and 5 are schematic exploded perspective views showing different views of a state in which the EAM unit is inserted and assembled in the sliding rail assembly shown in FIG.
Figure 6 is a schematic rear sectional view of the sliding rail assembly at line BB of Figure 4;
FIG. 7 is a schematic perspective view showing the EAM unit according to the first embodiment of the present invention in a different direction.
Figure 8 is a schematic rear longitudinal section of the EAM unit according to line CC of Figure 7;
Figure 9 is a schematic rear longitudinal cross-sectional view of the sliding rail assembly along line AA in Figure 3;
10 is a schematic assembled perspective view of a sliding rail assembly according to a second embodiment of the present invention.
11 is a schematic exploded perspective view showing a state in which an EAM unit is inserted and assembled in a sliding rail assembly according to a second embodiment of FIG.
12 is a schematic rear longitudinal sectional view along line DD of Fig. 11. Fig.
Fig. 13 is a schematic perspective view showing a state in which the EAM unit is inserted in the lateral gap between the vertical support members, following the state shown in Fig. 11; Fig.
14 is a schematic assembled perspective view of an EAM unit according to a third embodiment of the present invention.
15 is a schematic exploded perspective view of the EAM unit shown in Fig.
16 and 17 are schematic exploded perspective views showing different views of the state in which the EAM unit shown in FIG. 14 is inserted and assembled.
18 is a schematic perspective view showing a state in which the EAM unit shown in FIG. 14 is inserted and assembled into the sliding rail assembly.
FIGS. 19 and 20 are schematic perspective views sequentially illustrating a process of assembling an EAM unit composed of a tubular member by vertically lowering the EAM according to a fourth embodiment of the present invention.
21 is a schematic perspective view of a sliding rail assembly according to a fourth embodiment of the present invention, which is assembled by the process shown in FIG.
22 is a perspective view schematically showing a base plate provided in the strut main body in a gypsum strut according to the present invention in a state of being raised from the bottom up.
23 is a schematic exploded perspective view showing a state in which the column main body of FIG. 22 is assembled to the base member according to the first embodiment of the present invention.
24 is a schematic perspective view showing the base plate of another embodiment of the gum main body of the gum stump strut according to the present invention, which is shown in the form of a bottom up.
25 is a schematic exploded perspective view showing a state in which the holding body of FIG. 24 is assembled to the base member according to the third embodiment of the present invention.
FIG. 26 is a schematic perspective view showing a state in which the stowage of the present invention is completed through completion of assembling the base member and the stalk main body following the state of FIG. 25; FIG.
FIG. 27 is a schematic perspective view showing a state in which the striking member starts to impact the EAM following the state of FIG. 2 in the first embodiment of the present invention. FIG.
Fig. 28 is a schematic perspective view showing a state in which the striking member starts to impact the EAM, following Fig. 26 in the third embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. Although the present invention has been described with reference to the embodiments shown in the drawings, it is to be understood that the technical idea of the present invention and its essential structure and operation are not limited thereby. In the present specification, "rearward" means a direction in which the vehicle collides against the support body, i.e., a direction in which the vehicle approaches and moves toward the support. That is, the direction of arrow K in Fig. 2 becomes "rearward ". Therefore, in the present specification, "forward" means a direction in which the vehicle looks at the vehicle from the supporting body when the vehicle collides against the supporting body, that is, the direction opposite to the rear. And "longitudinal direction " means the direction leading to the front-rear direction, and" lateral direction " means the direction perpendicular to the longitudinal direction in the plane.

2 is a schematic perspective view of a gypsum strut 100 according to a first embodiment of the present invention. As shown in the drawing, the gypsum strut 100 of the present invention comprises a base member 2, And a pillar main body (1) vertically installed on the base member (2) and slid rearward and movably installed. The base member 2 in the gum stalk pillars 100 according to the present invention is composed of a sliding rail assembly 5 and a concrete member 20 such that the sliding rail assembly 5, Are embedded in the concrete member to be integrated. The concrete member 20 constituting the foundation member 2 may have a slab shape as illustrated in the figure, but it may be made of cast concrete on site, but it may be manufactured in a factory by precast method and installed in the field.

3 is a schematic perspective view showing the sliding rail assembly 5 provided in the first embodiment of the present invention shown in FIG. 2 in a state in which the slide rail assembly 5 is completely embedded in the concrete member 20 of the base member 2 Figs. 4 and 5 show a state in which the impact energy absorbing member unit ("EAM unit") 40 is assembled and mounted in the sliding rail assembly 5 shown in Fig. A schematic exploded perspective view is shown. And FIG. 6 is a schematic rear sectional view of the sliding rail assembly 5 at the position B-B in FIG. 4, in which the EAM unit 40 is not yet inserted.

3 to 6, the sliding rail assembly 5 includes a sliding support member 50, a vertical support member 51, and a bottom member 52. [ Specifically, the sliding support member 50 is made of a member extending elongated in the longitudinal direction, and two pairs are arranged side by side on the same plane at a distance in the lateral direction. As illustrated in the drawing, the sliding support member 50 may be formed of a flat plate material. The sliding support member 50 includes a sliding rail for supporting the base plate 10 provided at the lower end of the pillar main body 1 and allowing the base plate 10 to slide rearward, .

The vertical support member 51 is a member for supporting the sliding support member 50 so as to be vertically spaced from the bottom member 52. The vertical support member 51 is composed of a member extending long in the longitudinal direction, And are integrally installed on the upper surface of the bottom member 52 in a vertically erected state. The two vertical support members 51 respectively support the two slide support members 50. To this end, the upper end of the vertical support member 51 is integrally coupled with the lower surface of the slide support member 50, The lateral spacing between the two vertical support members 51 is greater than the lateral spacing between the two sliding support members 50 in the illustrated embodiment. Each of the vertical support members 51 may be formed of a plate member. The space between the two vertical support members 51 corresponds to the guide trough 3 in the above-mentioned Patent Application No. 10-2016-0006316. In the present invention, the guide passage 3 is formed by the space between the two vertical support members 51, and the interval between the two vertical support members 51 is set such that, as will be described later, Thereby providing sufficient space for deforming the shape of the member 11 into various shapes. That is, since the guide passage 3 is formed by the space between the two vertical support members 51, the shape of the striking member 11 can be variously changed, and accordingly, the EAM 4 It is possible to easily make a configuration that can be easily replaced.

 The bottom member 52 may be a flat plate member that is engaged with the lower end of the vertical support member 51 and may be reinforced if necessary between the bottom member 52 and the outer side surface of the vertical support member 51 Ribs 53 may be provided, and a plurality of such reinforcing ribs 53 may be provided in the longitudinal direction.

The EAM unit 40 is inserted in the lateral spacing between the vertical support members 51 as will be described below so that the EAM unit 40 itself is prevented from being pushed rearward, A closing member 54 is provided for preventing rearward movement of the EAM unit 40. [ The EAM fixing member 41 of the EAM unit 40 may be disposed rearwardly as shown in the figure, although the closing member 54 may be formed of a plate member so as to completely block the lateral gap between the vertical supporting members 51 The vertical support members 51 may be provided so as to partially obstruct the horizontal spacing in such a manner as to prevent movement only.

The EAM unit 40 is a member provided with the EAM 4, and is inserted and disposed in a lateral gap between the vertical support members 51, as described above. FIGS. 7 (a) and 7 (b) are schematic perspective views showing the EAM unit 40 of the first embodiment shown in FIGS. 2 to 6, respectively, in different directions. As shown in the figure, the EAM unit 40 is provided with a pair of EAM fastening members 41, which are elongated in the longitudinal direction with a cross-sectional shape in the longitudinal direction A pair of such EAM fixing members 41 are arranged in a mirror-symmetrical relationship such that concave portions of the C-shaped member are opposed to each other with a space therebetween in the lateral direction. An EAM (4) is disposed between the pair of EAM fixing members (41). Figure 8 shows a schematic longitudinal cross-sectional view along line CC of Figure 7 showing the longitudinal cross-sectional configuration for the EAM unit 40. In the first embodiment shown in Figures 2 to 8, the EAM 4 Like member extending in the longitudinal direction, and a plurality of the EAM fixing members 41 are stacked vertically, and both lateral ends of the EAM fixing member 41 are positioned in the U-shaped concave portion of the EAM fixing member 41, And are horizontally arranged at intervals. A plurality of EAMs 4 made of a plate member are vertically stacked so that a spacing member 44 is disposed between the EAMs 4 as shown in the figure so that a plurality of EAMs 4 are stacked at a vertical interval can do. At this time, the spacers 44 may be located at both ends of the EAM 4 in the transverse direction, and may be located in the concave portion of the C-shape of the EAM fixing member 41.

As described above, the EAM unit 40 has the assembling structure of the EAM fixing member 41, the spacer member 44 and the EAM 4, so that when the EAM 4 is broken, 44 can be removed from the EAM fixing member 41, and then the damaged EAM can be replaced with a new one and assembled to the EAM fixing member 41 together with the spacer 44 again. Thus, the damaged EAM 4 can be replaced very easily to make the EAM unit 40 usable again.

Further, according to the configuration using the plate-shaped EAM 4, the thickness, the material, the number of laminations and the like of the plate-shaped EAM 4 are changed in accordance with various vehicle collision conditions, The advantage of being able to exert the effect is exercised. That is, even if the distance L in the guide path is not changed, the optimum EAM 4 can be installed in accordance with various vehicle collision conditions.

When the plate-like EAM 4 and the spacer 44 are assembled to the EAM fixing member 41, the through-hole fixing member 46 such as a bolt is fixed to the EAM fixing member 41, 44 and the EAM 4 can be integrated by vertically penetrating the EAM 4 and the EAM 4 on both lateral sides of the EAM 4. As shown in the drawing, the front end of the plate-shaped EAM 4, that is, the front end of the plate-like member corresponding to the EAM 4 is formed into a triangular shape It is also preferable to form a concave cut-out portion. However, these cutouts can be omitted. The plate-shaped EAM 4 may be made of various materials. Any material that can absorb energy by fracture or deformation such as a fiber plate or a synthetic resin plate can be used as a plate-like EAM (4).

2 to 6, the EAM unit 40 having the above-described configuration is inserted in the lateral gap between the vertical support members 51. In the case of the first embodiment shown in Figs. 2 to 6, the front end of the sliding rail assembly 5 The EAM unit 40 is inserted rearwardly into the space between the vertical support members 51. The EAM unit 40 thus inserted in the lateral gap between the vertical support members 51 is positioned behind the sliding rail assembly 5 so that the rear end of the vertical support member 51 is in contact with the closing member 54, As shown in Fig.

9 is a schematic rear sectional view of the sliding rail assembly 5 taken along the line A-A in FIG. 3 showing the state in which the EAM unit 40 is inserted into the sliding rail assembly 5. In the present invention, in a state in which the EAM unit 40 is inserted into the guide passage, the upper part of the EAM unit 40 is covered with the sliding support member 50, so that the EAM unit 40 is not lifted up vertically. Specifically, in the embodiment of the sliding rail assembly 5 according to the present invention shown in the drawings, as described above, the lateral spacing between the vertical support members 51 is greater than the lateral spacing between the sliding support members 50 The lateral edge of the EAM unit 40 is covered by the sliding support member 50 in a state in which the EAM unit 40 is inserted into the guide passage formed at the lateral spacing between the vertical support members 51 So that the EAM unit 40 is prevented from being raised vertically upward. Therefore, when the shock of the vehicle is applied to the EAM unit 40 as described later, the EAM unit 40 is prevented from being damaged by the crushing or deformation of the EAM 4 in a state in which the EAM unit 40 is not vertically lifted, So that the stopping action of the stoppers can be smoothly performed.

10 to 13 show a sliding rail assembly 5 provided on a gypsum strut according to a second embodiment of the present invention. Specifically, FIG. 10 shows a sliding rail assembly 5 provided on a gypsum strut according to the second embodiment of the present invention. 11 shows a schematic assembly perspective view of the sliding rail assembly 5, and FIG. 11 shows a state in which the EAM unit 40 is inserted and assembled in the sliding rail assembly 5 according to the second embodiment of FIG. 10 A schematic exploded perspective view is shown. Fig. 12 is a schematic longitudinal sectional view along the line DD of Fig. 11, and Fig. 13 is a cross sectional view of the EAM unit 40 taken along the transverse direction between the vertical supporting members 51 There is shown a schematic perspective view showing a state of being inserted in a directional gap.

The sliding rail assembly 5 of the second embodiment shown in Figs. 10 to 13 is different from the first embodiment of Figs. 2 to 9 described above in that the sliding rail assembly 5 is provided in front of the sliding rail assembly 5, The EAM unit 40 is formed to have a wider portion that can be inserted downward from the vertical direction at a transverse distance between the upper and lower portions 50a and 50b. In other words, a pair of sliding support members 50 are cut out in a predetermined length in the longitudinal direction from the front of the sliding rail assembly 5, so that the widthwise portion of the sliding support members 50 has a predetermined length As shown in Fig.

Therefore, after the EAM unit 40 is lowered in the vertical direction through the wider section as shown in Figs. 11 and 12 to the horizontal gap between the vertical support members 51, the EAM unit 40 (In the direction of the arrow in Fig. 13) to the position where the EAM unit 40 can not be lifted up vertically as shown in Fig. 10 to 13, since the EAM unit 40 is lowered in the vertical direction and assembled to the sliding rail assembly 5, when the free space in front of the sliding rail assembly 5 is insufficient There is an advantage that the EAM unit 40 can be assembled and installed easily.

In the first and second embodiments described above, the EAM 4 provided in the EAM unit 40 is formed of a plate-like member, but the EAM 4 is formed of a plurality of tubular members (pipe-shaped members) It is possible. 14 shows a schematic assembled perspective view of an EAM unit 40 according to a third embodiment of the present invention, and FIG. 15 shows a schematic exploded perspective view of the EAM unit 40 shown in FIG. 14 .

The EAM unit 40 shown in Figs. 14 and 15, like the first and second embodiments described above, has a pair of longitudinally elongated members having a longitudinal cross-sectional shape 14 and 15, the EAM 4 includes a plurality of tubular members extending in the transverse direction and arranged in the longitudinal direction of the EAM 4 Lt; / RTI > That is, the EAM 4 is configured such that a plurality of tubular members, such as steel pipes, extending in the longitudinal direction are disposed at both ends of the tubular member extending in the U-shaped concave portion of the EAM fixing member 41 will be. In such a configuration, the EAM 4 of the tubular member is not detached but is installed stably and through a simple operation. Particularly, in such a configuration, the number of tubular members constituting the EAM 4 can be easily changed, and if necessary, it is easy to select the rigidity (thickness, material, etc.) There is an advantage that an EAM (4) having an impact energy absorbing capability capable of exhibiting an optimum performance for shock absorption can be provided.

The shock absorbing operation is performed while the striking member 11 provided on the base plate 10 sequentially deforms and crushes the tubular member constituting the EAM 4 as described later. Particularly, in the case where the EAM 4 is made of a tubular member, the EAM unit 40 can be easily reused by replacing only the broken tubular member with a new one after the shock absorbing action has progressed. That is, in the above embodiment, since the tubular member will be broken only within the distance that the strut body moves backward due to the vehicle collision, the EAM unit 40 can be easily removed by removing only the damaged tubular member and installing a new tubular member. Can be reused.

Figs. 16 and 17 are schematic exploded perspective views showing different directions in which the EAM unit 40 shown in Fig. 14 is inserted and assembled, respectively. Fig. 18 shows a schematic exploded perspective view of the EAM unit 40, There is shown a schematic perspective view showing the sliding rail assembly 5 in a state where the insertion and mounting of the slide rail assembly 40 is completed. In the case of the EAM unit 40 shown in Fig. 14 as well as in the first and second embodiments described above, the EAM unit 40 is inserted and arranged at a lateral distance between the vertical support members 51. [ 16 to 18, the EAM unit 40 is inserted rearwardly from the front end of the sliding rail assembly 5 into the space between the vertical support members 51 to be positioned rearward of the sliding rail assembly 5 It can be assembled and installed in a form.

14, in the case of the EAM unit 40 including the cylindrical member, the EAM 4 can be assembled and installed in the sliding rail assembly 5 in a vertically descending manner as in the second embodiment have. 19 and 20 show an assembling process of the sliding rail assembly 5 according to the fourth embodiment of the present invention in which the EAM unit 40 composed of the cylindrical member of the EAM 4 is vertically lowered and assembled And a schematic perspective view of the sliding rail assembly 5 according to the fourth embodiment of the present invention is shown in Fig.

19 to 21, even in the case of the EAM unit 40 in which the EAM 4 is formed of a tubular member, the widened portion formed between the sliding support members 50 of the sliding rail assembly 5 is provided with a vertical direction The EAM unit 40 is slid rearward so that the EAM unit 40 is inserted up to a position where the EAM unit 40 can not be lifted up vertically, And can be assembled to the rail assembly 5.

The EAM unit 40 can be easily removed from the sliding rail assembly 5 by reversing the process of assembling the EAM unit 40 to the sliding rail assembly 5 in this manner. That is, the EAM unit 40 is pulled forward and pulled out from between the vertical support members 51, so that it can be separated from the sliding rail assembly 5 very easily. The EAM unit 40 can be separated from the sliding rail assembly 5 very easily by pulling the EAM unit 40 forward to the widening section and lifting the EAM unit 40 vertically upward from the wider section when the widened section is formed .

The following describes the assembling structure of the base member 2 having the sliding rail assemblies 5 according to the first to fourth embodiments and the shock absorbing mechanism at the time of a vehicle collision in the following. As described above, the sliding rail assembly 5 is embedded in the concrete member 20 to form the base member 2 in an integrated state. In this case, the sliding rail assembly 5 is placed in the formwork in the field or at the factory, The base member 2 can be manufactured by pouring the concrete up to a height at which the sliding support member 50 and the upper portion of the vertical support member 51 can be exposed. The column main body 1 is assembled and installed in the base member 2.

FIG. 22 is a schematic perspective view of a strut body 1 provided on a gypsum strut according to the present invention, which is shown in a form of being raised from below. The strut body 1 has a columnar member And a base plate 10 is integrally provided at the lower end thereof. On both lateral sides of the base plate 10, engaging portions (not shown) which surround the lateral edges of the sliding support member 50 in a U-shape are provided at intervals such that the sliding support members 50 of the sliding rail assembly 5 can be fitted 12 are formed.

On the lower surface of the base plate 10, a striking member 11 is integrally provided so as to protrude downward. The base plate 10 shown in FIG. 22 is suitable when using the EAM unit 40 of the first and second embodiments described above, that is, the EAM unit 40 having the plate-shaped EAM 4, Like member extending vertically so as to be able to tear and break the plate-shaped EAM 4, and the rear end of the striking member 11 may be formed in an arrowhead shape.

23 is a schematic exploded perspective view showing a state in which the column main body 1 is assembled to the base member 2 according to the first embodiment of the present invention. A schematic perspective view showing the completion of the insect pillars 100 of the present invention through the completion of assembling of the foundation member 2 and the column main body 1 following the state of Fig. 23 is shown in Fig. The slide rail assembly 5 is embedded in the concrete member 20 to form the base member 2 in an integrated form in which the sliding support member 50 of the sliding rail assembly 5 is inserted into the base member 2, Is positioned at a predetermined vertical distance from the upper surface of the concrete member 20.

The base plate 10 and the strut body 1 having the striking member 11 are assembled and installed to the base member 2 having such a structure. At this time, The sliding support member 50 of the sliding rail assembly 5 is fitted from the front side of the base member 2 at the interval of the U-shaped portion of the base 12, And is held in close contact with the upper surface of the member 50, so that the column main body 1 is set up. In this state, the striking member 11 is positioned in the guide passage between the vertical support members 51 provided in the sliding rail assembly 5. [

In the present invention, since the base plate 10 provided at the lower end of the pillar main body 1 is in a state of wrapping the edge of the sliding support member 50 as described above, a wind load or the like acts on the pillar main body 1, Even if a pulling force acts to pull the column body 1 vertically upward, a strong pull-out resistance force acts by the above-described coupling between the engaging portion 12 and the sliding supporting member 50, It exhibits a strong resistance against the conduction due to wind loads and the like, and thus has excellent stability.

24 is a perspective view schematically showing another embodiment of the strut body 1 provided in the gypsum strut according to the present invention in a state of being raised from below. In the strut body 1 shown in Fig. 24, The striking member 11 is suitable for using the EAM unit 40 having the EAM unit 4 of the third and fourth embodiments described above, that is, the EAM unit 4 made of the cylindrical member, The rear end of the striking member 11 has a large area so as to be in contact with the tubular EAM 4 in a shape having an increased area so as to be in contact with the cylindrical EAM 4, ≪ / RTI > To this end, in the embodiment shown in the drawing, a flat striking plate 110 is provided at the rear end of the striking member 11 extending in the transverse direction.

Fig. 25 is a schematic exploded perspective view showing a state in which the column body 1 shown in Fig. 24 is assembled to the base member 2 according to the third embodiment of the present invention. Fig. 26 shows a state There is shown a schematic perspective view showing a state in which the insect pillars 100 of the present invention have been completed through completion of assembling of the base member 2 and the column main body 1 following the above- 22 to 23, the insect strut 100 shown in FIGS. 24 to 26 is also slid in the U-shaped space formed in the engaging portion 12 of the base plate 10, as in the embodiment described above with reference to FIGS. The support member 50 is fitted so that the striking member 11 is located in the space between the vertical support members 51 provided in the sliding rail assembly 5, that is, in the guide passage.

When the vehicle collides with the column main body 1 of the insect strut 100 having completed the assembly of the base member 2 and the column main body 1, the vehicle, the column main body 1, and the base plate 10 are moved backward . The sliding support member 50 of the sliding rail assembly 5 is extended rearward so that the base plate 10 is pushed rearward in a state in which its lower surface is in contact with the upper surface of the sliding support member 50.

In the sliding rail assembly 5 of the present invention, there is an empty space of a distance L between the position where the main body 1 of the vehicle before the collision is raised and the position where the EAM 4 starts to be filled, The striking member 11 contacts the EAM 4 and impacts the EAM 4 after the collision after the collision with the vehicle body and the column main body 1 moves together with the interval L. Fig. 27 is a schematic perspective view showing a state in which the striking member 11 starts to impact the EAM 4 following the state of Fig. 2 in the first embodiment. There is shown a schematic perspective view showing a state in which the striking member 11 starts to impact the EAM 4, In the initial period when the vehicle collides with the vehicle, the speed of the collided vehicle is reduced by using the inertia of the pillar main body itself during the interval L, and then the collision energy and kinetic energy are calculated using the shock absorbing capability of the EAM 4 Thereby effectively securing the safety of the passenger by dissipating the vehicle and stopping the vehicle.

In the case of the first and second embodiments having the plate-shaped EAM 4, the striking member 11 is torn in the form of tearing the plate-shaped EAM 4 while touching the EAM 4, Energy is dissipated and the rearward traveling speed of the main body 1 and the vehicle is reduced, and finally the main body 1 and the vehicle are stopped. Since the striking member 11 tears and crushes the EAM 4 to dissipate the impact energy, the stalk main body 1 is moved rearward through the space formed by the EAM 4 being torn in the state where the EAM 4 is crushed, And the additional collision energy is dissipated during the backward movement of the pillar main body 1 between the torn EAMs 4, as shown in FIG.

In the third and fourth embodiments having the tubular EAM 4, the striking member 11 touches the EAM 4 and sequentially deforms and crushes the cylindrical EAM 4, Thereby causing a reduction in the rearward traveling speed of the main body 1 and the vehicle, thereby stopping the movement of the vehicle. The tubular EAM 4 can be cut by the collision of the striking member 11 even in the case of the tubular EAM 4. In this case, as in the case where the plate-like EAM 4 is torn, the EAM 4 4 can be smoothly moved rearward through the space formed by cutting and thus has the advantage of additional collision energy dissipation due to the continuous rearward movement of the column main body 1. [

In the present invention, as described above, the EAM unit 40 can be easily assembled to the sliding rail assembly 5 and can be further easily separated. Therefore, after fully absorbing the impact due to the vehicle collision as described above, the EAM unit 40 is pulled forward to pull the EAM unit 40 completely out of the guide path between the vertical support members 51, And then pulls the EAM unit 40 vertically upwards to disengage the EAM unit 40 from the sliding rail assembly 5. After the damaged EAM unit 40 is replaced with a new one, the EAM unit 40 is reassembled into the sliding rail assembly 5 and then the new column main body 1 is reinstalled It is possible to restore the state of being able to easily and rapidly reuse the insecticide holding structure. As described above, according to the present invention, the damaged EAM can be replaced and used easily and quickly. Therefore, even after the occurrence of a vehicle collision accident, the insect pillar can be quickly reinstalled to maintain a safe road environment continuously.

1: holding body
2: base member
3: guide passage
4: EAM
5: Sliding rail assembly
10: Base plate
11: striking member
40: EAM unit
100: insect pillars

Claims (8)

A sliding rail assembly (5) embedded in a base member (2) composed of a concrete reinforcing member (20) so that a lower end of a supporting body (1) of a compulsory retarding insect pillars (100)
A bottom member 52; A sliding support member 50 extending in the longitudinal direction and arranged parallel to each other with two spaced apart from each other to support the base plate 10 provided at the lower end of the support body 1 so as to be slidable; And a pair of vertical support members (51) for supporting the respective sliding support members (50) so that the sliding support members (50) are vertically spaced from the bottom member (52);
The EAM unit 40 provided with the EAM 4 absorbing the energy and being deformed by the collision is fitted in the guide passage by the lateral spacing between the vertical support members 51 so as to be interchangeable in the longitudinal direction , The upper part of the EAM unit 40 is covered with the sliding support member 50 in a state where the EAM unit 40 is inserted into the guide passage, so that the EAM unit 40 is not lifted up vertically;
The base plate 10 is coupled in the form of wrapping both lateral sides of the sliding support member 50 in a state in which the sliding rail assembly 5 is embedded in the concrete member 20 of the base member 2, If the striking member 11 protruding from the lower portion of the base plate 10 collides with the EAM 4 after the main body 1 and the base plate 10 move and the EAM 4 collapses, And the EAM unit 40 is again inserted into the guide passage after the EAM unit 40 is detached and the EAM 4 is replaced after the end of the vehicle collision ;
The EAM unit 40 includes a pair of EAM fixing members 41 extending in the longitudinal direction with a cross-sectional shape in the longitudinal direction and a pair of EAM fixing members 41, Wherein the EAM (4) is arranged in a state that the EAM (4) is in a state of being positioned.
delete The method according to claim 1,
The EAM 4 provided in the EAM unit 40 is constituted by a plate member extending in the longitudinal direction and a pair of EAM fixing members 41 Wherein a plurality of the sliding rail assemblies are vertically stacked horizontally at a lateral spacing between the sliding rails.
The method according to claim 1,
The EAM 4 provided in the EAM unit 40 is configured such that the tubular members extending in the transverse direction are arranged in plural in the longitudinal direction so that the transversely opposite ends thereof are positioned in the C- Wherein the sliding rail assembly comprises:
The method of claim 1, 3, or 4,
The sliding support member 50 is made of a flat plate material;
The vertical support member 51 is formed of a plate member so that the upper end of the vertical support member 51 is integrally coupled with the lower surface of the sliding support member 50;
The lateral spacing between the vertical support members 51 is larger than the lateral spacing between the sliding support members 50 so that the EAM unit 40 is inserted in the guide passage in the lateral direction of the EAM unit 40 The edge is covered by the sliding support member 50;
Characterized in that the EAM unit (40) has a configuration in which the EAM unit (40) is inserted rearwardly from the front end of the sliding rail assembly (5) into the vertical support members (51).
The method of claim 1, 3, or 4,
The sliding support member 50 is made of a flat plate material;
The vertical support member 51 is formed of a plate member so that the upper end of the vertical support member 51 is integrally coupled with the lower surface of the sliding support member 50;
The lateral spacing between the vertical support members 51 is larger than the lateral spacing between the sliding support members 50 so that the EAM unit 40 is inserted in the guide passage in the lateral direction of the EAM unit 40 The edge being covered by the sliding support member (50);
The EAM unit 40 is formed with the widening portion in which the EAM unit 40 can be inserted downward from the vertical direction in the lateral gap between the sliding support members 50 at the front of the sliding rail assembly 5, Is positioned at a lateral distance between the vertical supporting members (51) through the wider portion, and then is pushed rearward and inserted into the guide passage.
A base plate 10 is provided at a lower end of a column main body 1 and a base plate 10 is provided at a lower end of the column main body 1. The base plate 10 is provided with a base member 2 and a column main body 1 vertically- The striking member 11 is provided on the lower surface thereof so as to protrude downward;
The slide rail assembly 5 according to claim 1 is embedded in the concrete member 20 so that the sliding support member 50 of the sliding rail assembly 5 Are positioned at regular intervals from the upper surface of the concrete member 20;
A pair of engaging portions 12 are formed on both lateral sides of the base plate 10 so as to surround the lateral edges of the sliding supporting member 50 in a C shape. The sliding support member 50 of the assembly 5 is fitted and engaged from the front side of the base member 2 so that the support main body 1 is erected on the base member 2 and the striking member 11 is fixed to the sliding rail assembly Is positioned in the guide passage between the vertical support members (51) provided on the support (5);
When the vehicle collides with the pillar main body 1, the striking member 11 impacts the EAM 4 and decelerates the EAM 4 Is deformed so that a deceleration of a secondary vehicle speed occurs through absorption and dissipation of impact energy due to collision of the vehicle, thereby stopping the vehicle.
CLAIMS What is claimed is: 1. A method of reducing an impact occurring when a vehicle impacts on a support,
The support has a base member 2 and a support body 1 which is vertically erected and provided on the base member 2. A base plate 10 is provided at the lower end of the support body 1 And a striking member 11 protrudes downward from a bottom surface of the base plate 10;
The sliding rail assembly 5 of the sliding rail assembly 5 is embedded in the concrete member 20 when the base member 2 is made of the concrete member 20, To be vertically spaced from the upper surface of the concrete member 20;
A pair of engaging portions 12 are formed on both lateral sides of the base plate 10 so as to surround the lateral edges of the sliding supporting member 50 in a C shape. The support body 1 is installed upright on the base member 2 and the striking member 11 is mounted on the sliding rail 1 by mounting the sliding support member 50 of the assembly 5 on the front side of the base member 2, Is positioned within the guide path between the vertical support members (51) provided in the assembly (5);
When the vehicle collides with the pillar main body 1, the striking member 11 impacts the EAM 4 and the EAM 4 after decelerating the secondary vehicle speed while the vehicle and the main column body 1 move backward, And a second deceleration of the vehicle speed occurs through absorption and dissipation of the collision energy due to the collision of the vehicle, thereby stopping the vehicle. .
KR1020170151635A 2017-11-14 2017-11-14 Crashworthy Post, Sliding Rail Assembly therefor, and Method for Reducing Car Impact using such Crashworthy Post KR101868552B1 (en)

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Publication number Priority date Publication date Assignee Title
KR102009361B1 (en) 2018-06-08 2019-08-12 한국건설기술연구원 Crashworthy Post having Sliding Rail Assembly, and Method for Reducing Car Impact using such Crashworthy Post
KR102082861B1 (en) * 2019-07-03 2020-03-02 (주)미래로드셋 Shock absorber in case of vehicle collision
KR102544513B1 (en) 2022-11-18 2023-06-20 한국건설기술연구원 Guard Rail for Impact Dispersion

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KR100944566B1 (en) * 2008-12-12 2010-03-03 강진구 Impact attenuator for installation along road
KR20170077752A (en) 2015-12-28 2017-07-06 한국건설기술연구원 Crashworthy Post Utilizing Conservation of Linear Momentum and Energy Absorbing Module, and Method for Reducing Car Impact using such Crashworthy Post

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KR100785661B1 (en) * 2007-02-21 2007-12-14 고삼석 A fixation structure and construction method of fence prop
KR100944566B1 (en) * 2008-12-12 2010-03-03 강진구 Impact attenuator for installation along road
KR20170077752A (en) 2015-12-28 2017-07-06 한국건설기술연구원 Crashworthy Post Utilizing Conservation of Linear Momentum and Energy Absorbing Module, and Method for Reducing Car Impact using such Crashworthy Post

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102009361B1 (en) 2018-06-08 2019-08-12 한국건설기술연구원 Crashworthy Post having Sliding Rail Assembly, and Method for Reducing Car Impact using such Crashworthy Post
US11021843B2 (en) 2018-12-18 2021-06-01 Korea Institute Of Civil Engineering And Building Technology Energy absorbing post having sliding rail assembly
KR102082861B1 (en) * 2019-07-03 2020-03-02 (주)미래로드셋 Shock absorber in case of vehicle collision
KR102544513B1 (en) 2022-11-18 2023-06-20 한국건설기술연구원 Guard Rail for Impact Dispersion
KR102554035B1 (en) 2022-11-18 2023-07-18 한국건설기술연구원 Guard Rail for Impact Dispersion

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